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Title: Mechanism of light scattering defects formation in NaI:Tl during crystal growth
Authors: Kolesnikov, Alexander V.
Kudin, Konstantin A.
Kudin, Alexander M.
Keywords: NaI:Tl Crystal
growth defect
inclusion of new phase
decay of solid solution
Issue Date: 2018
Publisher: V.N. Karazin Kharkiv National University
Citation: Physics. The Journal of V.N. Karazin Kharkiv National University - 28 (2018) 83-89
Series/Report no.: 28;
Abstract: Nature of growth light scattering defects in NaI:Tl crystal has been studied by optical and electron microscopy technique. The heterogeneous mechanism of inclusion formation has been proposed. This mechanism consists in three stages. At first stage, sodium oxide diffuses to the internal surfaces of gas bubbles or channels. The oxide then reacts with carbon dioxide and converts into sodium carbonate. At the third stage, a new phase is formed inside the gas-filled channels. Finally carbonates covered internal surface of gas channels due to the shape of inclusion becomes morphologically stable.
Appears in Collections:Кафедра фізико-математичних дисциплін

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